ResearchResearch paperSafety & Alignment · Agents & Tool Use · Reinforcement Learning1 source · Oct 13, 2026

BLADE: Auditing Information Use for Failure Attribution in LLM Multi-Agent Systems

We introduce BLADE (Blame Localization via Audited Dependency Evidence), a training-free framework that moves beyond tracing information to auditing its use.

Key points

  • Large language model multi-agent systems extend individual agents' capabilities through collaboration across specialized roles, tools, and workflows.
  • Yet collaboration makes failures harder to diagnose: one agent may misinterpret a correct result while others carry the mistake forward.
  • Using Jev for structured probabilistic judgments, BLADE uses dependency probabilities to select relevant source-decision handoffs for auditing.
  • Making responsibility evidence explicit offers a path toward more interpretable and reliable agentic systems.

Sources (1)

  • [1]BLADE: Auditing Information Use for Failure Attribution in LLM Multi-Agent Systems
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 13, 05:34 PM
    We introduce BLADE (Blame Localization via Audited Dependency Evidence), a training-free framework that moves beyond tracing information to auditing its use.
    Large language model multi-agent systems extend individual agents' capabilities through collaboration across specialized roles, tools, and workflows.

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